POLIKARPOV А. FRAND in the system of overcoming unfair competition. Ius Modernum, [S. l.], v. 140, n. 3, p. 76–86, 2025. DOI: 10.31617/3.2025(140)07. Disponível em: https://journals.knute.edu.ua/foreign-trade/article/view/2339. Acesso em: 22 mar. 2026.